50278 + Interview Questions in Physics Page 156 InterviewSolution

7751.	If current flowing through a conductor makes it magnet . Then if current flows through water ,the water behaves like magnet, ??
Answer» If current flowing through a conductor makes it magnet . Then if current flows through water ,the water behaves like magnet, ??

Discussion

7752.	The surface integral ∬1π(9x^i−8y^j)^nds over the sphere given by x2+y2+z2=9 is_______ 36
Answer» The surface integral $\iint \frac{1}{π} (9 x^i - 8 y^j)^n d s$ over the sphere given by $x^{2} + y^{2} + z^{2} = 9$ is_______ 36

Discussion

7753.	For the given semi-infinite rod of uniformly distributed line charge, angle (θ) between net electric field and component of net electric field perpendicular to the axis of line charge at the point P is
Answer» For the given semi-infinite rod of uniformly distributed line charge, angle $(θ)$ between net electric field and component of net electric field perpendicular to the axis of line charge at the point $P$ is

Discussion

7754.	48.Find the thrust on ground due to a rectangular block of mass 3kg lying on the ground.
Answer» 48.Find the thrust on ground due to a rectangular block of mass 3kg lying on the ground.

Discussion

7755.	the amplitude of simple harmonic motion obtained by combining the motions x1=2sin wt x2= 4sin(wt+pi/6)x3=6sin(wt+pi/3)is
Answer» the amplitude of simple harmonic motion obtained by combining the motions x1=2sin wt x2= 4sin(wt+pi/6) x3=6sin(wt+pi/3)is

Discussion

7756.	2 planets 'Xargonia' and 'Olfuba' have taken keen interest in our star 'The Sun'. They are observing our sun from the observatories built on their planet. Xargonia is 1 Light year away and the aperture area of its telescope is 1m2, while Olfuba is 2 Light years away and the aperture area of its telescope is 4m2. Find out whose telescope receives more energy? (Assume the Sun radiates E joules of energy per sec.)
Answer» 2 planets 'Xargonia' and 'Olfuba' have taken keen interest in our star 'The Sun'. They are observing our sun from the observatories built on their planet. Xargonia is 1 Light year away and the aperture area of its telescope is $1 m^{2}$ , while Olfuba is 2 Light years away and the aperture area of its telescope is $4 m^{2}$ . Find out whose telescope receives more energy? (Assume the Sun radiates E joules of energy per sec.)

7756.

2 planets 'Xargonia' and 'Olfuba' have taken keen interest in our star 'The Sun'. They are observing our sun from the observatories built on their planet. Xargonia is 1 Light year away and the aperture area of its telescope is 1m2, while Olfuba is 2 Light years away and the aperture area of its telescope is 4m2. Find out whose telescope receives more energy? (Assume the Sun radiates E joules of energy per sec.)

Answer»

2 planets 'Xargonia' and 'Olfuba' have taken keen interest in our star 'The Sun'. They are observing our sun from the observatories built on their planet.

Xargonia is 1 Light year away and the aperture area of its telescope is $1 m^{2}$ , while Olfuba is 2 Light years away and the aperture area of its telescope is $4 m^{2}$ .

Find out whose telescope receives more energy? (Assume the Sun radiates E joules of energy per sec.)

Discussion

7757.	The energy currency of cell is
Answer» The energy currency of cell is

Discussion

7758.	Derivative of ln6 in the question ( x^3+ln6)(√x)
Answer» Derivative of ln6 in the question ( x^3+ln6)(√x)

Discussion

7759.	A plane mirror of length 8 cm is moving with a speed of 3 m/s towards a wall as shown in the figure. The diametrical length of spot formed on the wall is?(Assume spot to be circular)
Answer» A plane mirror of length $8 cm$ is moving with a speed of $3 m/s$ towards a wall as shown in the figure. The diametrical length of spot formed on the wall is? (Assume spot to be circular)

Discussion

7760.	Two waves represented by y1=3sin(2000πt−50x) andy2=3sin(2008πt+50x) are approaching each other. The number of beats heard per second will be(Assume SI units)
Answer» Two waves represented by $y_{1} = 3 sin (2000 π t - 50 x)$ and $y_{2} = 3 sin (2008 π t + 50 x)$ are approaching each other. The number of beats heard per second will be (Assume SI units)

Discussion

7761.	A projectile is thrown with a speed u ,at an angle theta to an inclined plane of inclination beta. the angle theta at which the projectile is thrown such that it strikes the inclined plane normally is
Answer» A projectile is thrown with a speed u ,at an angle theta to an inclined plane of inclination beta. the angle theta at which the projectile is thrown such that it strikes the inclined plane normally is

Discussion

7762.	What is the no. of waves in 4th orbit of hydrogen?
Answer» What is the no. of waves in 4th orbit of hydrogen?

Discussion

7763.	Abrass wire 1.8 m long at 27 °C is held taut with little tensionbetween two rigid supports. If the wire is cooled to a temperature of–39 °C, what is the tension developed in the wire, if itsdiameter is 2.0 mm? Co-efficient of linear expansion of brass = 2.0 ×10–5K–1;Young’s modulus of brass = 0.91 × 1011Pa.
Answer» A brass wire 1.8 m long at 27 °C is held taut with little tension between two rigid supports. If the wire is cooled to a temperature of –39 °C, what is the tension developed in the wire, if its diameter is 2.0 mm? Co-efficient of linear expansion of brass = 2.0 × 10^–5 K^–1; Young’s modulus of brass = 0.91 × 10¹¹ Pa.

Discussion

7764.	{ A }2 kg mass lying on a table is displaced in the }}{ horizontal directionthrough }50cm . The work done }} by the normal reaction will be -
Answer» { A }2 kg mass lying on a table is displaced in the }}{ horizontal directionthrough }50cm . The work done }} by the normal reaction will be -

Discussion

7765.	Considering the circuit and data given in the diagram, calculate the currents flowing in the diodes D1 and D2. Forward resistance of D1 and D2 is 20 Ω.
Answer» Considering the circuit and data given in the diagram, calculate the currents flowing in the diodes $D_{1}$ and $D_{2}$ . Forward resistance of $D_{1}$ and $D_{2}$ is $20 Ω$ .

Discussion

7766.	A particle is moving along a straight line.Find the magnitude of angular momentum about origin when particle is at minimum distance from origin.
Answer» A particle is moving along a straight line.Find the magnitude of angular momentum about origin when particle is at minimum distance from origin.

Discussion

7767.	explain the graph between potential energy and distancefor nucleons
Answer» explain the graph between potential energy and distance for nucleons

Discussion

7768.	Find the distance of COM of a solid hemisphere of radius 16 cm from its geometric centre.
Answer» Find the distance of $COM$ of a solid hemisphere of radius $16 cm$ from its geometric centre.

Discussion

7769.	Two parallel forces F1 AND F2 are applied perpendicular to a massless rod oflength l at ends of rod.Find the value and position of third force to be applied on rod to keep it in equilibrium state?
Answer» Two parallel forces F1 AND F2 are applied perpendicular to a massless rod oflength l at ends of rod.Find the value and position of third force to be applied on rod to keep it in equilibrium state?

Discussion

7770.	If eithervector,then.But the converse need not be true. Justify your answer with anexample.
Answer» If either vector, then. But the converse need not be true. Justify your answer with an example.

Discussion

7771.	A block of mass M is resting on an inclined plane as shown in the figure. The inclination of the plane to the horizontal is gradually increased. It is found that when the angle of inclination is θ, the block just begins to the slide down the plane. What is the minimum force F applied parallel to the plane that would just make the block move up the plane?
Answer» A block of mass M is resting on an inclined plane as shown in the figure. The inclination of the plane to the horizontal is gradually increased. It is found that when the angle of inclination is $θ$ , the block just begins to the slide down the plane. What is the minimum force F applied parallel to the plane that would just make the block move up the plane?

Discussion

7772.	(a) Two insulated charged copper spheres A and B have their centresseparated by a distance of 50 cm. What is the mutual force of electrostatic repulsion if the charge on each is 6.5 × 10–7 C? Theradii of A and B are negligible compared to the distance ofseparation. (b) What is the force of repulsion if each sphere is charged doublethe above amount, and the distance between them is halved?
Answer» (a) Two insulated charged copper spheres A and B have their centresseparated by a distance of 50 cm. What is the mutual force of electrostatic repulsion if the charge on each is 6.5 × 10–7 C? Theradii of A and B are negligible compared to the distance ofseparation. (b) What is the force of repulsion if each sphere is charged doublethe above amount, and the distance between them is halved?

Discussion

7773.	ABCD is a square plate with centre O. The moment of inertia of the plate about the axes 1,2,3 and 4 are I1,I2,I3 & I4 respectively. It follows that
Answer» $A B C D$ is a square plate with centre $O$ . The moment of inertia of the plate about the axes $1, 2, 3$ and $4$ are $I_{1}, I_{2}, I_{3} & I_{4}$ respectively. It follows that

Discussion

7774.	A drive is thrown vertically upward on its way is passes from A with speed v and point B 30 m higher than A with speed v/2 find Average speed of particle moving from A to B (g = 9.8m/s)
Answer» A drive is thrown vertically upward on its way is passes from A with speed v and point B 30 m higher than A with speed v/2 find Average speed of particle moving from A to B (g = 9.8m/s)

Discussion

7775.	A mass rests on a rough horizontal surface having coefficient of friction between the surfaces as μ. A force F at 30∘ with horizontal pulls the mass. Limiting friction between surface and mass is
Answer» A mass rests on a rough horizontal surface having coefficient of friction between the surfaces as $μ$ . A force F at $30^{\circ}$ with horizontal pulls the mass. Limiting friction between surface and mass is

Discussion

7776.	The resistance of any physical object to a change in its state of motion is known as
Answer» The resistance of any physical object to a change in its state of motion is known as

Discussion

7777.	5 Half life for radioactive 14c is 5760 years . ln how many years 200mg of 14c will be reduce to 25mg??
Answer» 5 Half life for radioactive 14c is 5760 years . ln how many years 200mg of 14c will be reduce to 25mg??

Discussion

7778.	A car is moving on a straight road covers one third of the distance with a speed of 20 Km/h and the rest with a speed of 60Km/h. the average speed of car is
Answer» A car is moving on a straight road covers one third of the distance with a speed of 20 Km/h and the rest with a speed of 60Km/h. the average speed of car is

Discussion

7779.	Which one of the following is smallest in size ?
Answer» Which one of the following is smallest in size ?

Discussion

7780.	An object is projected with a velocity of 20 m/s making an angle of 45° with horizontal. The equation for the trajectory is h = Ax – Bx2, where h is height, x is horizontal distance, A and B are constants. The ratio A : B is Options: 1 : 5 5 : 1 1 : 40 40 : 1
Answer» An object is projected with a velocity of 20 m/s making an angle of 45° with horizontal. The equation for the trajectory is h = Ax – Bx2, where h is height, x is horizontal distance, A and B are constants. The ratio A : B is Options: 1 : 5 5 : 1 1 : 40 40 : 1

Discussion

7781.	For the situation shown in the figure (r >> length of dipole) mark out the correct statement(s).
Answer» For the situation shown in the figure (r >> length of dipole) mark out the correct statement(s).

7781.

For the situation shown in the figure (r >> length of dipole) mark out the correct statement(s).

Answer»

For the situation shown in the figure (r >> length of dipole) mark out the correct statement(s).

Discussion

7782.	The polarizing angle for a piece of glass for green light is 54.74∘. The angle of minimum deviation for an equilateral prism made of same glass is,(Given : tan(54.74)∘=1.414)
Answer» The polarizing angle for a piece of glass for green light is ${54.74}^{\circ}$ . The angle of minimum deviation for an equilateral prism made of same glass is, (Given : $tan (54.74)^{\circ} = 1.414$ )

Discussion

7783.	The field potential in a certain region of space depends only on the x coordinate as β = -ax^3 + b where a and b are constants. Find the distribution of the space charge α(x)
Answer» The field potential in a certain region of space depends only on the x coordinate as β = -ax^3 + b where a and b are constants. Find the distribution of the space charge α(x)

Discussion

7784.	Showthat the force on each plate of a parallel plate capacitor has amagnitude equal to (½) QE,where Q isthe charge on the capacitor, and E isthe magnitude of electric field between the plates. Explain theorigin of the factor ½.
Answer» Show that the force on each plate of a parallel plate capacitor has a magnitude equal to (½) QE, where Q is the charge on the capacitor, and E is the magnitude of electric field between the plates. Explain the origin of the factor ½.

Discussion

7785.	Why is the sum of moments of weight of all particles = 0
Answer» Why is the sum of moments of weight of all particles = 0

Discussion

7786.	In the circuit diagram shown, XC=100 Ω,XL=200 Ω and R=100 Ω. The effective current through the source is:
Answer» In the circuit diagram shown, $X_{C} = 100 Ω, X_{L} = 200 Ω$ and $R = 100 Ω$ . The effective current through the source is:

Discussion

7787.	A jet plane is travelling towards west at the speed of 1600 kmph. The voltage difference developed between the ends of the wing having a span of 20 m, if the earth's magnetic field at the location has a magnitude of 5×10−4 T and angle of dip is 30∘ is-
Answer» A jet plane is travelling towards west at the speed of $1600 kmph$ . The voltage difference developed between the ends of the wing having a span of $20 m$ , if the earth's magnetic field at the location has a magnitude of $5 \times 10^{- 4} T$ and angle of dip is $30^{\circ}$ is-

Discussion

7788.	a car of mass 1000 kg moving with a speed of 30 m/s collides with a back of a stationary bidy of mass 9 tonnes. Calculate the speed of vehicle immediately after collision if they remain together
Answer» a car of mass 1000 kg moving with a speed of 30 m/s collides with a back of a stationary bidy of mass 9 tonnes. Calculate the speed of vehicle immediately after collision if they remain together

Discussion

7789.	A beam of light consisting of two wavelengths 6300 ˚A and λ ˚A is used to obtain interference fringes in a Young's double slit experiment. If 4th bright fringe of 6300 ˚A coincides with 5th dark fringe of λ ˚A, the value of λ is nearly 100n ˚A. The value of n is (integer only)
Answer» A beam of light consisting of two wavelengths $6300 ˚ A$ and $λ ˚ A$ is used to obtain interference fringes in a Young's double slit experiment. If $4^{t h}$ bright fringe of $6300 ˚ A$ coincides with $5^{t h}$ dark fringe of $λ ˚ A$ , the value of $λ$ is nearly $100 n ˚ A .$ The value of $n$ is (integer only)

Discussion

7790.	If two coherent source are placed at a distance of 3λ from each other symmetric to the centre of the circle as shown in the figure(R>>λ), then the number of bright fringes produced on the screen placed along the circumference is :
Answer» If two coherent source are placed at a distance of $3 λ$ from each other symmetric to the centre of the circle as shown in the figure $(R >> λ)$ , then the number of bright fringes produced on the screen placed along the circumference is :

Discussion

7791.	how to calculate energy when resistors and capacitors are connected together??
Answer» how to calculate energy when resistors and capacitors are connected together??

Discussion

7792.	Consider a cylinder of mass M and radius R lying on a rough horizontal plane. It has a plank of mass m and lenght l at its top most point . A force F is applied on the plank such that the plank moves and causes the cylinder to roll. The plank always remain horizontal .There is no slipping at any point of contact .Calculate the acceleration of cylinder and frictional force at the two contacts
Answer» Consider a cylinder of mass M and radius R lying on a rough horizontal plane. It has a plank of mass m and lenght l at its top most point . A force F is applied on the plank such that the plank moves and causes the cylinder to roll. The plank always remain horizontal .There is no slipping at any point of contact .Calculate the acceleration of cylinder and frictional force at the two contacts

Discussion

7793.	What is the dimensional formula for permittivity of free space?
Answer» What is the dimensional formula for permittivity of free space?

Discussion

7794.	The photo electric threshold wavelength for silver is λ0). The energy of the electron ejected from the surface of silver by an incident wavelength λ(λ < λ0) will be
Answer» The photo electric threshold wavelength for silver is $λ_{0})$ . The energy of the electron ejected from the surface of silver by an incident wavelength $λ (λ$ < $λ_{0})$ will be

Discussion

7795.	A second pendulum is moved to moon where acceleration due to gravity is 1/ 6times that of earth the leght of second s pendulum on moon will be
Answer» A second pendulum is moved to moon where acceleration due to gravity is 1/ 6times that of earth the leght of second s pendulum on moon will be

Discussion

7796.	A body is thrown vertically upwards from A,the top of the tower .It reaches the ground in time t1.If it is thrown vertically downwards from A with the same speed, it reaches the ground in time t2.If it is allowed to fall freely from A then find the time it takes to reach the ground
Answer» A body is thrown vertically upwards from A,the top of the tower .It reaches the ground in time t1.If it is thrown vertically downwards from A with the same speed, it reaches the ground in time t2.If it is allowed to fall freely from A then find the time it takes to reach the ground

Discussion

7797.	A pipe of length l1 closed at one end is kept in a chamber of gas of density ρ2. A second pipe open at both ends is placed in a second chamber of gas density ρ2. The compressibility of both gases are equal. If frequency of First overtone in both the cases are equal and length of second pipe is given by Nl1 then find value of N. (given ρ1=27 kg/m3, ρ2=3 kg/m3)
Answer» A pipe of length $l_{1}$ closed at one end is kept in a chamber of gas of density $ρ_{2}$ . A second pipe open at both ends is placed in a second chamber of gas density $ρ_{2}$ . The compressibility of both gases are equal. If frequency of First overtone in both the cases are equal and length of second pipe is given by $N l_{1}$ then find value of N. (given $ρ_{1} = 27 k g / m^{3}, ρ_{2} = 3 k g / m^{3}$ )

Discussion

7798.	If two straight current carrying wires are kept perpendicular to each other almost touching, then the wires :- (1) Attract each other (2) Repel each other (3) Remain stationary (4) Become parallel to each other
Answer» If two straight current carrying wires are kept perpendicular to each other almost touching, then the wires :- (1) Attract each other (2) Repel each other (3) Remain stationary (4) Become parallel to each other

Discussion

7799.	Pertaining to two planets, the ratio of escape velocities from respective surfaces is 1:2 , the ratio of the time period of the same simple pendulum at their respective surfaces is 2:1 (in same order). Then the ratio of their average densities is
Answer» Pertaining to two planets, the ratio of escape velocities from respective surfaces is $1 : 2$ , the ratio of the time period of the same simple pendulum at their respective surfaces is $2 : 1$ (in same order). Then the ratio of their average densities is

Discussion

7800.	VIOIONTarlane12. Three forces given by vectors 2i+2j, 2i-2j and - 4i are acting together on a point object at rest. The objectmoves along the direction(1) x-axis(2) y-axis(3) z-axis(4) Object does not move
Answer» VIOIONTarlane12. Three forces given by vectors 2i+2j, 2i-2j and - 4i are acting together on a point object at rest. The objectmoves along the direction(1) x-axis(2) y-axis(3) z-axis(4) Object does not move

Discussion

Explore topic-wise InterviewSolutions in .

If current flowing through a conductor makes it magnet . Then if current flows through water ,the water behaves like magnet, ??

The surface integral ∬1π(9x^i−8y^j)^nds over the sphere given by x2+y2+z2=9 is_______ 36

For the given semi-infinite rod of uniformly distributed line charge, angle (θ) between net electric field and component of net electric field perpendicular to the axis of line charge at the point P is

48.Find the thrust on ground due to a rectangular block of mass 3kg lying on the ground.

the amplitude of simple harmonic motion obtained by combining the motions x1=2sin wt x2= 4sin(wt+pi/6)x3=6sin(wt+pi/3)is

The energy currency of cell is

Derivative of ln6 in the question ( x^3+ln6)(√x)

A plane mirror of length 8 cm is moving with a speed of 3 m/s towards a wall as shown in the figure. The diametrical length of spot formed on the wall is?(Assume spot to be circular)

Two waves represented by y1=3sin(2000πt−50x) andy2=3sin(2008πt+50x) are approaching each other. The number of beats heard per second will be(Assume SI units)

A projectile is thrown with a speed u ,at an angle theta to an inclined plane of inclination beta. the angle theta at which the projectile is thrown such that it strikes the inclined plane normally is

What is the no. of waves in 4th orbit of hydrogen?

{ A }2 kg mass lying on a table is displaced in the }}{ horizontal directionthrough }50cm . The work done }} by the normal reaction will be -

Considering the circuit and data given in the diagram, calculate the currents flowing in the diodes D1 and D2. Forward resistance of D1 and D2 is 20 Ω.

A particle is moving along a straight line.Find the magnitude of angular momentum about origin when particle is at minimum distance from origin.

explain the graph between potential energy and distancefor nucleons

Find the distance of COM of a solid hemisphere of radius 16 cm from its geometric centre.

Two parallel forces F1 AND F2 are applied perpendicular to a massless rod oflength l at ends of rod.Find the value and position of third force to be applied on rod to keep it in equilibrium state?

If eithervector,then.But the converse need not be true. Justify your answer with anexample.

ABCD is a square plate with centre O. The moment of inertia of the plate about the axes 1,2,3 and 4 are I1,I2,I3 &amp; I4​ respectively. It follows that

A drive is thrown vertically upward on its way is passes from A with speed v and point B 30 m higher than A with speed v/2 find Average speed of particle moving from A to B (g = 9.8m/s)

A mass rests on a rough horizontal surface having coefficient of friction between the surfaces as μ. A force F at 30∘ with horizontal pulls the mass. Limiting friction between surface and mass is

The resistance of any physical object to a change in its state of motion is known as

5 Half life for radioactive 14c is 5760 years . ln how many years 200mg of 14c will be reduce to 25mg??

A car is moving on a straight road covers one third of the distance with a speed of 20 Km/h and the rest with a speed of 60Km/h. the average speed of car is

Which one of the following is smallest in size ?

An object is projected with a velocity of 20 m/s making an angle of 45° with horizontal. The equation for the trajectory is h = Ax – Bx2, where h is height, x is horizontal distance, A and B are constants. The ratio A : B is Options: 1 : 5 5 : 1 1 : 40 40 : 1

For the situation shown in the figure (r &gt;&gt; length of dipole) mark out the correct statement(s).

The polarizing angle for a piece of glass for green light is 54.74∘. The angle of minimum deviation for an equilateral prism made of same glass is,(Given : tan(54.74)∘=1.414)

The field potential in a certain region of space depends only on the x coordinate as β = -ax^3 + b where a and b are constants. Find the distribution of the space charge α(x)

Showthat the force on each plate of a parallel plate capacitor has amagnitude equal to (½) QE,where Q isthe charge on the capacitor, and E isthe magnitude of electric field between the plates. Explain theorigin of the factor ½.

Why is the sum of moments of weight of all particles = 0

In the circuit diagram shown, XC=100 Ω,XL=200 Ω and R=100 Ω. The effective current through the source is:

A jet plane is travelling towards west at the speed of 1600 kmph. The voltage difference developed between the ends of the wing having a span of 20 m, if the earth's magnetic field at the location has a magnitude of 5×10−4 T and angle of dip is 30∘ is-

a car of mass 1000 kg moving with a speed of 30 m/s collides with a back of a stationary bidy of mass 9 tonnes. Calculate the speed of vehicle immediately after collision if they remain together

A beam of light consisting of two wavelengths 6300 ˚A and λ ˚A is used to obtain interference fringes in a Young's double slit experiment. If 4th bright fringe of 6300 ˚A coincides with 5th dark fringe of λ ˚A, the value of λ is nearly 100n ˚A. The value of n is (integer only)

If two coherent source are placed at a distance of 3λ from each other symmetric to the centre of the circle as shown in the figure(R&gt;&gt;λ), then the number of bright fringes produced on the screen placed along the circumference is :

how to calculate energy when resistors and capacitors are connected together??

What is the dimensional formula for permittivity of free space?

The photo electric threshold wavelength for silver is λ0). The energy of the electron ejected from the surface of silver by an incident wavelength λ(λ < λ0) will be

A second pendulum is moved to moon where acceleration due to gravity is 1/ 6times that of earth the leght of second s pendulum on moon will be

A body is thrown vertically upwards from A,the top of the tower .It reaches the ground in time t1.If it is thrown vertically downwards from A with the same speed, it reaches the ground in time t2.If it is allowed to fall freely from A then find the time it takes to reach the ground

If two straight current carrying wires are kept perpendicular to each other almost touching, then the wires :- (1) Attract each other (2) Repel each other (3) Remain stationary (4) Become parallel to each other

Pertaining to two planets, the ratio of escape velocities from respective surfaces is 1:2 , the ratio of the time period of the same simple pendulum at their respective surfaces is 2:1 (in same order). Then the ratio of their average densities is

VIOIONTarlane12. Three forces given by vectors 2i+2j, 2i-2j and - 4i are acting together on a point object at rest. The objectmoves along the direction(1) x-axis(2) y-axis(3) z-axis(4) Object does not move

ABCD is a square plate with centre O. The moment of inertia of the plate about the axes 1,2,3 and 4 are I1,I2,I3 & I4 respectively. It follows that

For the situation shown in the figure (r >> length of dipole) mark out the correct statement(s).

If two coherent source are placed at a distance of 3λ from each other symmetric to the centre of the circle as shown in the figure(R>>λ), then the number of bright fringes produced on the screen placed along the circumference is :